Gaya APA
Peters, David A.. (1967).
The principles and practice of supervision .
:
Pergamon Press.
Gaya Chicago
Peters, David A..
The principles and practice of supervision.
:
Pergamon Press,
1967.
Text.
Gaya MLA
Peters, David A..
The principles and practice of supervision.
:
Pergamon Press,
1967.
Text.
Gaya Turabian
Peters, David A..
The principles and practice of supervision.
:
Pergamon Press,
1967.
Print.